Doug's Coated Headers - Pontiac V8 326/350/400 Helmet Blower Hose Thermoplastic Rubber Hose

Thermoplastic Rubber Hose

1971-1985 GMC Jimmy

This allows racers to reliably increase boost and advance ignition timing-without using high-octane racing fuel-for power gains of up to 20%

With precise resolution down to a tenth of a volt

Doug's Coated Headers - Pontiac V8 326/350/400 Helmet Blower Hose Thermoplastic Rubber HoseProduct Description: Headers Full Length 1. 875 in Primary 3. 5 in Collector Steel Ceramic Pontiac V8 GM F Body 1967 69 Pair Dougs Headers, the most respected name in the header industry since the 60s, began in 1958 as a small muffler shop in East Los Angeles, California. Every Dougs header comes with all the necessary mounting hardware, collector reducers or connector pipes, premium gaskets and detailed installation instruction sheets. Our extra